অর্থ : Not subject or susceptible to change or variation in form or quality or nature.
							উদাহরণ : 
							The view of that time was that all species were immutable, created by God.
							
সমার্থক : changeless
Capable of or tending to change in form or quality or nature.
A mutable substance.অর্থ : Constant and unchanging.
							উদাহরণ : 
							The immutable laws of nature.